Enkephalin-met, a naturally occurring opioid peptide used to regulate the growth of human colon cancer, can be used as an effective negative regulator of human gastrointestinal cancer and may suggest pathways for tumor etiology, progression, treatment and
Alexamorelin Met 1 is one of the metabolites of alexamorelin. The heptapeptide Ala-His-D-2-methyl-Trp-Ala-Trp-D-Phe-Lys-NH2 (Alexamorelin) is a synthetic molecule which inhibits growth hormone secretagogue binding in vitro.